Related Experiment Video
Updated: Mar 31, 2026
A Phenotyping Regimen for Genetically Modified Mice Used to Study Genes Implicated in Human Diseases of Aging
Published on: July 14, 2016
Mini-review: Retarding aging in murine genetic models of neurodegeneration
Roger L Albin1, Richard A Miller2
1Neurology Service & GRECC, VAAAHS, Ann Arbor, MI 48105, USA; Dept. of Neurology, University of Michigan, Ann Arbor, MI 48109, USA; University of Michigan Udall Center for Parkinson's Disease Research, Ann Arbor, MI 48109, USA; Michigan Alzheimer Disease Center, Ann Arbor, MI 48109, USA.
Abstract:
Retardation of aging processes is a plausible approach to delaying the onset or slowing the progression of common neurodegenerative disorders. We review the results of experiments using murine genetic models of Alzheimer disease and Huntington disease to evaluate the effects of retarding aging. While positive results are reported in several of these experiments, there are several discrepancies in behavioral and pathologic outcomes both within and between different experiments. Similarly, different experiments yield varying assessments of potential proximate mechanisms of action of retarding aging. The anti-aging interventions used for some experiments include some that show only modest effects on lifespan, and others that have proven hard to reproduce. Several experiments used aggressive transgenic neurodegenerative disease models that may be less relevant in the context of age-related diseases. The experience with these models and interventions may be useful in designing future experiments assessing anti-aging interventions for disease-modifying treatment of neurodegenerative diseases.
Insights
Retarding aging shows promise for delaying neurodegenerative diseases like Alzheimer's and Huntington's. However, experimental results vary, highlighting the need for refined models and interventions.
Area of Science:
- Neuroscience
- Gerontology
- Genetics
Background:
- Aging processes are linked to neurodegenerative disorders.
- Retarding aging is a potential therapeutic strategy.
Purpose of the Study:
- To review experiments on aging retardation in Alzheimer's and Huntington's disease models.
- To evaluate the efficacy and consistency of anti-aging interventions.
Main Methods:
- Analysis of murine genetic models of Alzheimer disease and Huntington disease.
- Review of various anti-aging interventions and their outcomes.
Main Results:
- Positive outcomes reported, but with significant discrepancies in behavioral and pathological results.
- Inconsistent findings regarding proximate mechanisms of action.
- Some interventions showed modest lifespan effects or were difficult to reproduce.
- Use of aggressive transgenic models may limit relevance to age-related diseases.
Conclusions:
- While aging retardation is a plausible approach, current experimental data is inconsistent.
- Further research requires improved models and reproducible interventions for effective disease modification.
